Border Patrol spokesman Ramiro Cordero said the turnout by law officers "honours" Martinez for his sacrifice in protecting U.S. borders.

A bagpiper played as pallbearers carried Martinez's body into Our Lady of Guadalupe Church. The cause of Martinez's death Sunday is under investigation. His partner, whose name hasn't been released, was seriously injured.

Both agents were found Nov. 18 in a culvert near Van Horn, 30 miles (50 kilometres) from the Mexican border and 110 miles (175 kilometres) southeast of El Paso.

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3:35 p.m.

Pallbearers carried a U.S. flag-draped coffin into a West Texas church for the funeral of a Border Patrol agent who died last weekend from head and other injuries.

U.S. Attorney General Jeff Sessions was expected to be among the mourners at Our Lady of Guadalupe Church. The El Paso Times reports that a firetruck parked near the church displayed an American flag atop a ladder.

The cause of Martinez's death Sunday is under investigation. His partner, whose name hasn't been released, was seriously injured.

Both agents were found Nov. 18 in a culvert near Van Horn, 30 miles (50 kilometres) from the Mexican border and 110 miles (175 kilometres) southeast of El Paso.

OPINION The global food system is amazing. We have created a process that can put enormous diversity of food onto any plate in our province, assuming the plate will be sliding in front of someone who can afford to pay